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A short-term survival rate of astra tech implants : a retrospective analysis

Issue Date
2012
Description
Dept. of Dentistry/석사
Abstract
The aim of this study was to analyze the short-term predictability and reliability of Astra Tech implants according to the demographical distribution of patients and condition of implant sites and location of implants.Among patients treated with Astra Tech implant (Astra Tech AB) in the Department of Periodontics at the Dental Hospital of Yonsei University Health System and K Dental Clinic from May 2004 to March 2009, 195 implants in 98 patients which had been elapsed more than 6 months after prosthodontic procedures were evaluated in this study. Following data were reviewed from patient charts and implants survival rate was examined: 1) patient type and implant location, 2) bone status at the implant site, 3) diameter and length of the placed implants, 4) presence or absence of bone augmentation and types of the augmentation.The results from this study are as follows: 1) most implants were placed in the molar area, especially 1st molar area of maxilla, 2) most implants were placed at D2 and D3 bone type, 3) most implants were placed in areas of B and C bone quantity, 4) autogenous and alloplastic bone graft and barrier membrane were used for placement of 74 implants.As a result, a short-term survival rate of Astra Tech implants was 100%. Therefore, the short-term predictability and reliability of Astra Tech implants are determined by a satisfactory level. Especially, even if bone augmentation procedures are performed in poor bone condition, the initial stability of Astra Tech implant represented by the above results will be a reliable basis in implant selection of patient and dentist.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/133719
Appears in Collections:
2. 학위논문 > 2. College of Dentistry (치과대학) > 석사
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